This was fixed in xenial, udev's prerm now understands the "deconfigure" action. Unfortunately we can't retroactively fix the broken one in wily.
** Bug watch added: Debian Bug tracker #809744 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809744 ** Also affects: systemd (Debian) via http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809744 Importance: Unknown Status: Unknown ** Changed in: systemd (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1555243 Title: package systemd 229-2ubuntu1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 2 Status in systemd package in Ubuntu: Fix Released Status in systemd package in Debian: Unknown Bug description: I'm testing Ubuntu 16.04 upgraded from Ubuntu 15.10 instalation. I received a kernel panic on boot using kernel 4.4.0.11-generic and 4.4.0.12-generic. Now I using 4.2.0-30-generic as workaround. ProblemType: Package DistroRelease: Ubuntu 16.04 Package: systemd 229-2ubuntu1 ProcVersionSignature: Ubuntu 4.2.0-30.36-generic 4.2.8-ckt3 Uname: Linux 4.2.0-30-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 Date: Tue Mar 8 15:43:52 2016 DuplicateSignature: De-configuring udev (225-1ubuntu9) ... dpkg: error processing archive /var/cache/apt/archives/systemd_229-2ubuntu1_amd64.deb (--unpack): subprocess installed pre-removal script returned error exit status 2 ErrorMessage: subprocess installed pre-removal script returned error exit status 2 InstallationDate: Installed on 2016-02-12 (26 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: Dell Inc. Inspiron 5448 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-30-generic root=UUID=f7a65cdb-3d82-4056-ac2e-ed862cec2d7c ro quiet splash RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.6 SourcePackage: systemd Title: package systemd 229-2ubuntu1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 2 UpgradeStatus: Upgraded to xenial on 2016-03-08 (0 days ago) dmi.bios.date: 10/12/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A06 dmi.board.name: 0YDTG3 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A06 dmi.modalias: dmi:bvnDellInc.:bvrA06:bd10/12/2015:svnDellInc.:pnInspiron5448:pvrA06:rvnDellInc.:rn0YDTG3:rvrA00:cvnDellInc.:ct8:cvrA06: dmi.product.name: Inspiron 5448 dmi.product.version: A06 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1555243/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp